/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see . */ /* * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ #ifndef __GTK_WIDGET_PRIVATE_H__ #define __GTK_WIDGET_PRIVATE_H__ #include "gtkwidget.h" #include "gtkactionmuxerprivate.h" #include "gtkcontainer.h" #include "gtkcsstypesprivate.h" #include "gtkeventcontroller.h" #include "gtklistlistmodelprivate.h" #include "gtksizerequestcacheprivate.h" #include "gtkwindowprivate.h" #include "gtkinvisible.h" #include "gtkgesture.h" G_BEGIN_DECLS #define GTK_STATE_FLAGS_BITS 14 struct _GtkWidgetPrivate { /* The state of the widget. Needs to be able to hold all GtkStateFlags bits * (defined in "gtkenums.h"). */ guint state_flags : GTK_STATE_FLAGS_BITS; guint direction : 2; #ifdef G_ENABLE_DEBUG guint highlight_resize : 1; #endif guint in_destruction : 1; guint toplevel : 1; guint anchored : 1; guint no_surface : 1; guint no_surface_set : 1; guint realized : 1; guint mapped : 1; guint visible : 1; guint sensitive : 1; guint can_focus : 1; guint has_focus : 1; guint focus_on_click : 1; guint can_default : 1; guint has_default : 1; guint receives_default : 1; guint has_grab : 1; guint shadowed : 1; guint child_visible : 1; guint multidevice : 1; guint pass_through : 1; /* Queue-resize related flags */ guint resize_needed : 1; /* queue_resize() has been called but no get_preferred_size() yet */ guint alloc_needed : 1; /* this widget needs a size_allocate() call */ guint alloc_needed_on_child : 1; /* 0 or more children - or this widget - need a size_allocate() call */ /* Queue-draw related flags */ guint draw_needed : 1; /* Expand-related flags */ guint need_compute_expand : 1; /* Need to recompute computed_[hv]_expand */ guint computed_hexpand : 1; /* computed results (composite of child flags) */ guint computed_vexpand : 1; guint hexpand : 1; /* application-forced expand */ guint vexpand : 1; guint hexpand_set : 1; /* whether to use application-forced */ guint vexpand_set : 1; /* instead of computing from children */ guint has_tooltip : 1; /* SizeGroup related flags */ guint have_size_groups : 1; /* Alignment */ guint halign : 4; guint valign : 4; guint8 alpha; guint8 user_alpha; #ifdef G_ENABLE_CONSISTENCY_CHECKS /* Number of gtk_widget_push_verify_invariants () */ guint8 verifying_invariants_count; #endif int width_request; int height_request; GtkBorder margin; /* Animations and other things to update on clock ticks */ guint clock_tick_id; GList *tick_callbacks; /* The widget's name. If the widget does not have a name * (the name is NULL), then its name (as returned by * "gtk_widget_get_name") is its class's name. * Among other things, the widget name is used to determine * the style to use for a widget. */ gchar *name; /* The list of attached windows to this widget. * We keep a list in order to call reset_style to all of them, * recursively. */ GList *attached_windows; /* The style for the widget. The style contains the * colors the widget should be drawn in for each state * along with graphics contexts used to draw with and * the font to use for text. */ GtkCssNode *cssnode; GtkStyleContext *context; /* The widget's allocated size */ GtkAllocation allocated_size; gint allocated_size_baseline; GtkAllocation allocation; gint allocated_baseline; /* The widget's requested sizes */ SizeRequestCache requests; /* The render node we draw or %NULL if not yet created.*/ GskRenderNode *render_node; GSList *paintables; /* The widget's surface or its parent surface if it does * not have a surface. (Which will be indicated by the * no_surface field being set). */ GdkSurface *surface; GList *event_controllers; AtkObject *accessible; /* Widget tree */ GtkWidget *parent; GtkWidget *prev_sibling; GtkWidget *next_sibling; GtkWidget *first_child; GtkWidget *last_child; /* only created on-demand */ GtkListListModel *children_observer; GtkListListModel *controller_observer; GtkWidget *focus_child; /* Pointer cursor */ GdkCursor *cursor; }; GtkCssNode * gtk_widget_get_css_node (GtkWidget *widget); void _gtk_widget_set_visible_flag (GtkWidget *widget, gboolean visible); gboolean _gtk_widget_get_anchored (GtkWidget *widget); void _gtk_widget_set_anchored (GtkWidget *widget, gboolean anchored); gboolean _gtk_widget_get_shadowed (GtkWidget *widget); void _gtk_widget_set_shadowed (GtkWidget *widget, gboolean shadowed); gboolean _gtk_widget_get_alloc_needed (GtkWidget *widget); gboolean gtk_widget_needs_allocate (GtkWidget *widget); void gtk_widget_ensure_resize (GtkWidget *widget); void gtk_widget_ensure_allocate (GtkWidget *widget); void _gtk_widget_scale_changed (GtkWidget *widget); void _gtk_widget_add_sizegroup (GtkWidget *widget, gpointer group); void _gtk_widget_remove_sizegroup (GtkWidget *widget, gpointer group); GSList *_gtk_widget_get_sizegroups (GtkWidget *widget); void _gtk_widget_add_attached_window (GtkWidget *widget, GtkWindow *window); void _gtk_widget_remove_attached_window (GtkWidget *widget, GtkWindow *window); void _gtk_widget_get_preferred_size_and_baseline(GtkWidget *widget, GtkRequisition *minimum_size, GtkRequisition *natural_size, gint *minimum_baseline, gint *natural_baseline); const gchar* _gtk_widget_get_accel_path (GtkWidget *widget, gboolean *locked); AtkObject * _gtk_widget_peek_accessible (GtkWidget *widget); void _gtk_widget_set_has_default (GtkWidget *widget, gboolean has_default); void _gtk_widget_set_has_grab (GtkWidget *widget, gboolean has_grab); void _gtk_widget_set_is_toplevel (GtkWidget *widget, gboolean is_toplevel); void _gtk_widget_grab_notify (GtkWidget *widget, gboolean was_grabbed); void _gtk_widget_propagate_display_changed (GtkWidget *widget, GdkDisplay *previous_display); void _gtk_widget_set_device_surface (GtkWidget *widget, GdkDevice *device, GdkSurface *pointer_window); GdkSurface * _gtk_widget_get_device_surface (GtkWidget *widget, GdkDevice *device); GList * _gtk_widget_list_devices (GtkWidget *widget); void _gtk_widget_synthesize_crossing (GtkWidget *from, GtkWidget *to, GdkDevice *device, GdkCrossingMode mode); void _gtk_widget_buildable_finish_accelerator (GtkWidget *widget, GtkWidget *toplevel, gpointer user_data); GtkStyleContext * _gtk_widget_peek_style_context (GtkWidget *widget); typedef gboolean (*GtkCapturedEventHandler) (GtkWidget *widget, GdkEvent *event); void _gtk_widget_set_captured_event_handler (GtkWidget *widget, GtkCapturedEventHandler handler); gboolean _gtk_widget_captured_event (GtkWidget *widget, const GdkEvent *event); GtkWidgetPath * _gtk_widget_create_path (GtkWidget *widget); void gtk_widget_clear_path (GtkWidget *widget); void _gtk_widget_style_context_invalidated (GtkWidget *widget); void _gtk_widget_update_parent_muxer (GtkWidget *widget); GtkActionMuxer * _gtk_widget_get_action_muxer (GtkWidget *widget, gboolean create); gboolean _gtk_widget_consumes_motion (GtkWidget *widget, GdkEventSequence *sequence); gboolean gtk_widget_has_tick_callback (GtkWidget *widget); void gtk_widget_set_csd_input_shape (GtkWidget *widget, const cairo_region_t *region); gboolean gtk_widget_has_size_request (GtkWidget *widget); void gtk_widget_reset_controllers (GtkWidget *widget); gboolean gtk_widget_query_tooltip (GtkWidget *widget, gint x, gint y, gboolean keyboard_mode, GtkTooltip *tooltip); void gtk_widget_render (GtkWidget *widget, GdkSurface *surface, const cairo_region_t *region); void gtk_widget_snapshot (GtkWidget *widget, GtkSnapshot *snapshot); void gtk_widget_adjust_size_request (GtkWidget *widget, GtkOrientation orientation, gint *minimum_size, gint *natural_size); void gtk_widget_adjust_size_allocation (GtkWidget *widget, GtkOrientation orientation, gint *minimum_size, gint *natural_size, gint *allocated_pos, gint *allocated_size); void gtk_widget_adjust_baseline_request (GtkWidget *widget, gint *minimum_baseline, gint *natural_baseline); void gtk_widget_forall (GtkWidget *widget, GtkCallback callback, gpointer user_data); GtkWidget *gtk_widget_get_focus_child (GtkWidget *widget); void gtk_widget_focus_sort (GtkWidget *widget, GtkDirectionType direction, GPtrArray *focus_order); gboolean gtk_widget_focus_move (GtkWidget *widget, GtkDirectionType direction, GPtrArray *focus_order); void gtk_widget_get_surface_allocation (GtkWidget *widget, GtkAllocation *allocation); GtkWidget * gtk_widget_common_ancestor (GtkWidget *widget_a, GtkWidget *widget_b); void gtk_widget_set_pass_through (GtkWidget *widget, gboolean pass_through); gboolean gtk_widget_get_pass_through (GtkWidget *widget); void gtk_widget_get_origin_relative_to_parent (GtkWidget *widget, int *origin_x, int *origin_y); void gtk_widget_cancel_event_sequence (GtkWidget *widget, GtkGesture *gesture, GdkEventSequence *sequence, GtkEventSequenceState state); /* inline getters */ static inline GtkWidget * _gtk_widget_get_parent (GtkWidget *widget) { return widget->priv->parent; } static inline gboolean _gtk_widget_get_visible (GtkWidget *widget) { return widget->priv->visible; } static inline gboolean _gtk_widget_get_child_visible (GtkWidget *widget) { return widget->priv->child_visible; } static inline gboolean _gtk_widget_get_mapped (GtkWidget *widget) { return widget->priv->mapped; } static inline gboolean _gtk_widget_is_drawable (GtkWidget *widget) { return widget->priv->visible && widget->priv->mapped; } static inline gboolean _gtk_widget_get_has_surface (GtkWidget *widget) { return !widget->priv->no_surface; } static inline gboolean _gtk_widget_get_realized (GtkWidget *widget) { return widget->priv->realized; } static inline gboolean _gtk_widget_is_toplevel (GtkWidget *widget) { return widget->priv->toplevel; } static inline GtkStateFlags _gtk_widget_get_state_flags (GtkWidget *widget) { return widget->priv->state_flags; } extern GtkTextDirection gtk_default_direction; static inline GtkTextDirection _gtk_widget_get_direction (GtkWidget *widget) { if (widget->priv->direction == GTK_TEXT_DIR_NONE) return gtk_default_direction; else return widget->priv->direction; } static inline GtkWidget * _gtk_widget_get_toplevel (GtkWidget *widget) { while (widget->priv->parent) widget = widget->priv->parent; return widget; } static inline GdkDisplay * _gtk_widget_get_display (GtkWidget *widget) { GtkWidget *toplevel = _gtk_widget_get_toplevel (widget); if (_gtk_widget_is_toplevel (toplevel)) { if (GTK_IS_WINDOW (toplevel)) return gtk_window_get_display (GTK_WINDOW (toplevel)); else if (GTK_IS_INVISIBLE (toplevel)) return gtk_invisible_get_display (GTK_INVISIBLE (widget)); } return gdk_display_get_default (); } static inline GtkStyleContext * _gtk_widget_get_style_context (GtkWidget *widget) { if (G_LIKELY (widget->priv->context)) return widget->priv->context; return gtk_widget_get_style_context (widget); } static inline gpointer _gtk_widget_peek_request_cache (GtkWidget *widget) { return &widget->priv->requests; } static inline GdkSurface * _gtk_widget_get_surface (GtkWidget *widget) { return widget->priv->surface; } static inline void _gtk_widget_get_allocation (GtkWidget *widget, GtkAllocation *allocation) { *allocation = widget->priv->allocation; } static inline GtkWidget * _gtk_widget_get_prev_sibling (GtkWidget *widget) { return widget->priv->prev_sibling; } static inline GtkWidget * _gtk_widget_get_next_sibling (GtkWidget *widget) { return widget->priv->next_sibling; } static inline GtkWidget * _gtk_widget_get_first_child (GtkWidget *widget) { return widget->priv->first_child; } static inline GtkWidget * _gtk_widget_get_last_child (GtkWidget *widget) { return widget->priv->last_child; } G_END_DECLS #endif /* __GTK_WIDGET_PRIVATE_H__ */